| Answer | Crossword Clue |
|---|---|
| unions | uniting or being united |
| preunion | uniting or being united |
| union | uniting or being united |
| linkage | the manner or style of being united as |
| nitro | containing or being the monovalent group NO2 united through nitrogen |
| unifications | The process of being united or made into a whole |
| unification | The process of being united or made into a whole |
| combinations | The state of being joined or united in such a way |
| combination | The state of being joined or united in such a way |
